diff mbox

[31/40] dmaengine: timb_dma: convert callback to helper function

Message ID 146853357889.12248.14348518881736673051.stgit@djiang5-desk3.ch.intel.com (mailing list archive)
State Changes Requested
Headers show

Commit Message

Dave Jiang July 14, 2016, 9:59 p.m. UTC 
Convert driver to use the new helper function for callback

Signed-off-by: Dave Jiang <dave.jiang@intel.com>
---
 drivers/dma/timb_dma.c |    9 +++------
 1 file changed, 3 insertions(+), 6 deletions(-)


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diff mbox

Patch

diff --git a/drivers/dma/timb_dma.c b/drivers/dma/timb_dma.c
index 559cd40..8fef11a 100644
--- a/drivers/dma/timb_dma.c
+++ b/drivers/dma/timb_dma.c
@@ -226,8 +226,7 @@  static void __td_start_dma(struct timb_dma_chan *td_chan)
 
 static void __td_finish(struct timb_dma_chan *td_chan)
 {
-	dma_async_tx_callback		callback;
-	void				*param;
+	struct dma_desc_callback	cb;
 	struct dma_async_tx_descriptor	*txd;
 	struct timb_dma_desc		*td_desc;
 
@@ -252,8 +251,7 @@  static void __td_finish(struct timb_dma_chan *td_chan)
 	dma_cookie_complete(txd);
 	td_chan->ongoing = false;
 
-	callback = txd->callback;
-	param = txd->callback_param;
+	dmaengine_desc_get_callback(txd, &cb);
 
 	list_move(&td_desc->desc_node, &td_chan->free_list);
 
@@ -262,8 +260,7 @@  static void __td_finish(struct timb_dma_chan *td_chan)
 	 * The API requires that no submissions are done from a
 	 * callback, so we don't need to drop the lock here
 	 */
-	if (callback)
-		callback(param);
+	dmaengine_desc_callback_invoke(&cb, NULL);
 }
 
 static u32 __td_ier_mask(struct timb_dma *td)